{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{5}{c}}
\toprule
                &\multicolumn{1}{c}{Baseline}&\multicolumn{1}{c}{\$100}&\multicolumn{1}{c}{\$200}&\multicolumn{1}{c}{\$500}&\multicolumn{1}{c}{\$1000}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}\cmidrule(lr){6-6}
                &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         \\
\midrule
Quarterly       &  -431.86\sym{***}&  -428.03\sym{***}&  -420.38\sym{***}&  -401.24\sym{***}&  -362.98\sym{***}\\
earnings        &  (22.09)         &  (22.09)         &  (22.09)         &  (22.09)         &  (22.12)         \\
\midrule
Number of observations&     301,000         &     301,000         &     301,000         &     301,000         &     301,000         \\
\(R^{2}\)       &    0.001         &    0.001         &    0.001         &    0.001         &    0.001         \\
Mean of dependent variable&     4668         &     4666         &     4661         &     4649         &     4624         \\
S.d. of dependent variable&     5810         &     5810         &     5810         &     5811         &     5816         \\
\bottomrule
\end{tabular}
}
